Câu hỏi: Sex's education is instituted to help the student understandthe process of maturation, to eliminate anxieties related to development, to learn values, and to prevent disease.

A. sex’s education

B. understand

C. to eliminate anxieties

D. related

Câu 1: Reading several books on that subject, Bill considered himself an expert.

A. Reading

B. books on

C. considered himself

D. expert

Câu 2: The children next door are a real nuisance. Their football is always coming on the fence and damaging the flowers in my garden.

A. next door

B. a real nuisance

C. on

D. damaging

Câu 3: My mother doesn’t care how much does the washing machine cost because she is going to buy it anyway.

A. doesn’t care

B. does the washing machine cost

C. because

D. going to buy

Câu 4: Anyone reproducing copyrighted works without permission of the holders of the copyrights are breaking the law.

A. reproducing

B. are

C. breaking

D. the law

Câu 5: Ralph wishes that he went to the bank this morning before he went to work.

A. wishes that

B. went

C. before

D. went to work

Câu 6: Some of my friends are good at English while other are good at Mathematics.

A. my friends

B. at

C. while

D. other